See also: NIOSH mining products
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Type: | |
Analysis Software |
Version: | |
5.2.06 (02-11-2008) |
Operating System: | |
Windows® (all versions) |
Audience: | |
Mine operators |
Installation Notes: | |
The download file is a self-extracting executable which will automatically run a setup program. |
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EXE |
7.97 MB
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ALPS (Analysis of Longwall Pillar Stability) is software for designing pillars for longwall mines. The ALPS method, which is embodied in the program, consists of three basic steps:
- Estimating the loading that will be applied to the pillars during all the phases of longwall mining
- Estimating the load-bearing capacity of the longwall pillar system, and
- Calculating "stability factors" (SF) by comparing the load to the load-bearing capacity
Since its development, the ALPS method has been verified by back-analysis of more than 100 actual mining case histories. This version of the software includes the Mark Bieniawski pillar strength formula, which more accurately represent the strength of rectangular pillars, and more flexibility in longwall layout by allowing angled crosscuts and varied crosscut spacing.
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